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Cheap flights from Ontario to Bilbao from C$ 326

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BIO
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Bilbao

Keep the following information in mind while searching for Ontario to Bilbao flight deals. Data was last updated 16 September 2025.

Round-trip from

C$ 707

One-way from

C$ 326

Popular in

December

Cheapest in

February

Average price

C$ 953
Delta
  • Delta
  • 6/11-19/11
  • 2 total stops
  • 26h 55m total
  • Ontario to Bilbao
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19/10
  • 19/10
  • 3 total stops
  • 30h 00m total
  • Ontario to Bilbao
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ontario to Bilbao

Cheapest flights from Ontario to Bilbao
Explore the most affordable flight options available from Ontario to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Thu 6/117:05 p.m.YUL - BIO
1 stop10h 25mDelta
Wed 19/116:50 a.m.BIO - YUL
1 stop16h 30mDelta
Deal found 15/9C$ 707
Mon 20/104:15 p.m.YYZ - BIO
2 stops14h 30mMultiple Airlines
Wed 5/116:45 a.m.BIO - YYZ
2 stops20h 44mMultiple Airlines
Deal found 14/9C$ 709
Mon 10/117:10 p.m.YUL - BIO
1 stop10h 10mDelta
Mon 24/116:50 a.m.BIO - YUL
1 stop16h 30mDelta
Deal found 16/9C$ 717
Thu 23/106:50 p.m.YUL - BIO
1 stop15h 40mDelta
Sun 16/117:25 a.m.BIO - YUL
1 stop10h 50mDelta
Deal found 15/9C$ 724
Thu 23/106:50 p.m.YUL - BIO
1 stop21h 55mKLM
Sun 16/117:25 a.m.BIO - YUL
1 stop10h 50mKLM
Deal found 15/9C$ 736
Tue 21/101:15 p.m.YYZ - BIO
2 stops17h 30mAmerican Airlines
Mon 3/111:35 p.m.BIO - YYZ
2 stops29h 28mAmerican Airlines
Deal found 13/9C$ 739
Wed 8/1010:55 a.m.YYZ - BIO
2 stops15h 35mAmerican Airlines
Wed 22/106:45 a.m.BIO - YYZ
2 stops20h 45mAmerican Airlines
Deal found 16/9C$ 740
Mon 22/910:55 a.m.YYZ - BIO
2 stops39h 35mAmerican Airlines
Tue 7/109:15 a.m.BIO - YYZ
2 stops18h 15mAmerican Airlines
Deal found 14/9C$ 750
Sun 9/116:45 p.m.YYZ - BIO
1 stop16h 35mDelta
Tue 25/116:50 a.m.BIO - YYZ
1 stop18h 25mDelta
Deal found 15/9C$ 752
Mon 20/1011:30 p.m.YYZ - BIO
1 stop16h 30mKLM
Wed 5/115:20 p.m.BIO - YYZ
1 stop31h 55mKLM
Deal found 14/9C$ 753
Mon 10/114:00 p.m.YYZ - BIO
2 stops14h 50mAir Canada
Tue 25/117:25 a.m.BIO - YYZ
1 stop13h 25mAir Canada
Deal found 16/9C$ 767
Tue 21/1010:10 p.m.YYZ - BIO
1 stop12h 20mDelta
Wed 29/107:25 a.m.BIO - YYZ
1 stop15h 00mDelta
Deal found 13/9C$ 768

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Ontario to Bilbao that are best for you.

Fly from

Ontario

Fly to

Bilbao

Route

Depart

Return

Price

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

7:05 p.m.-11:30 a.m.

1 stop10h 25m

Bilbao

Wed 19/11

6:50 a.m.-5:20 p.m.

1 stop16h 30m

C$ 707

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

7:10 p.m.-11:20 a.m.

1 stop10h 10m

Bilbao

Mon 24/11

6:50 a.m.-5:20 p.m.

1 stop16h 30m

C$ 717

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

6:50 p.m.-4:30 p.m.

1 stop15h 40m

Bilbao

Sun 16/11

7:25 a.m.-12:15 p.m.

1 stop10h 50m

C$ 724

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

6:50 p.m.-10:45 p.m.

1 stop21h 55m

Bilbao

Sun 16/11

7:25 a.m.-12:15 p.m.

1 stop10h 50m

C$ 736

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Mon 10/11

10:45 p.m.-5:20 p.m.

1 stop12h 35m

Bilbao

Tue 25/11

11:55 a.m.-7:15 p.m.

1 stop13h 20m

C$ 753

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Tue 21/10

10:10 p.m.-4:30 p.m.

1 stop12h 20m

Bilbao

Wed 29/10

7:25 a.m.-5:25 p.m.

1 stop15h 00m

C$ 768

TorontoBilbao

YTZ - BIO

YTZBIO

Toronto Island

Mon 13/10

3:25 p.m.-2:45 p.m.

2 stops17h 20m

Bilbao

Wed 22/10

11:50 a.m.-8:05 a.m.

2 stops26h 15m

C$ 779

TorontoBilbao

YTZ - BIO

YTZBIO

Toronto Island

Tue 14/10

8:25 a.m.-4:05 p.m.

2 stops25h 40m

Bilbao

Wed 22/10

11:50 a.m.-11:45 a.m.

2 stops29h 55m

C$ 786

TorontoBilbao

YTZ - BIO

YTZBIO

Toronto Island

Mon 13/10

5:25 p.m.-2:45 p.m.

2 stops15h 20m

Bilbao

Tue 21/10

6:45 a.m.-8:05 a.m.

2 stops31h 20m

C$ 790

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

6:50 p.m.-10:25 a.m.

2 stops33h 35m

Bilbao

Wed 22/10

6:50 a.m.-11:14 p.m.

2 stops22h 24m

C$ 792

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 43 results
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Best time to book a flight from Ontario to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Bilbao

What is the cheapest time of day to fly from ON to BIO?

Find hourly flight availability from Ontario to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Bilbao as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Bilbao?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Bilbao from Ontario?

    For a flight from Ontario to Bilbao, you will be flying into Bilbao. Bilbao (BIO) is just 4.9 km from the centre of the city.

  • How long is the flight from Region of Ontario to Bilbao?

    There are many flights that can get you from Region of Ontario to Bilbao in 10h 25m. Fly via Delta, KLM, or Air Canada to get the fastest option. The distance from Region of Ontario to Bilbao is about 5443 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Region of Ontario to Bilbao?

    The most popular flight routes from Region of Ontario to Bilbao are Montreal Pierre Elliott Trudeau Intl - Bilbao, Toronto Pearson Intl - Bilbao and Toronto Island - Bilbao.

  • Can I find deals for flights from Ontario to Bilbao that include hotel bookings?

    Yes. In addition to deals on Ontario to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Bilbao.

  • Can I find deals for business class flights from Ontario to Bilbao?

    Yes. Cheapflights offers flight deals from Ontario to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Ontario to Bilbao

Discover the top 3 airlines that operate flights from Ontario to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapestC$ 900AverageC$ 1,144FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 955AverageC$ 1,293FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 1,020AverageC$ 1,348FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Bilbao?

Cheapflights makes it easy to find Ontario to Bilbao flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Bilbao?

Cheapflights helps you find that perfect flight to Bilbao from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Bilbao with no change fees?

Yes, we can. To see specific flights from Ontario to Bilbao with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Bilbao become cheaper?

Yes! Start tracking prices for Ontario to Bilbao flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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